Home / 755,838.96-1,043,057.73-416,307.21

Finding the Fourth Proportional to 755,838.96, 1,043,057.73 and 416,307.21

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Solution

The fourth proportional to 755,838.96, 1,043,057.73 and 416,307.21 is: 574,503.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,838.96 : 1,043,057.73 = 416,307.21 : x
  2. Step 2: Convert to fraction form
    755,838.96/1,043,057.73 = 416,307.21/x
  3. Step 3: Cross multiply
    755,838.96x = 1,043,057.73 × 416,307.21
  4. Step 4: Simplify right side
    755,838.96x = 434,232,453,445.23
  5. Step 5: Solve for x
    x = 434,232,453,445.23/755,838.96
  6. Step 6: Final answer
    x = 574,503.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.